using System;

using System.Collections.Generic;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        List<int> startData = new List<int>();

        Random rand = new Random();

        for(int i = 0; i < 1000000; i++){

            startData.Add(rand.Next(0,1000000));

        }

        for(int runs = 0; runs < 10; runs++){

​

            DateTime start = DateTime.Now;

            var endDataList = startData.FindAll(x=>x%2==0);

            DateTime end = DateTime.Now;

​

            DateTime startWhere = DateTime.Now;

            var endDataWhere = startData.Where(x=>x%2==0).ToList();

            DateTime endWhere = DateTime.Now;

            Console.WriteLine("FindAll: {0}ms || Where.ToList: {1}ms", (end-start).TotalMilliseconds,  (endWhere-startWhere).TotalMilliseconds);

        }

    }

}